The cosine rule
Applications of geometry and trigonometry
Further Mathematics: Units 3 and 4

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This is another in the Further Maths Units 3 and 4 series on Geometry and Measurement (Modules). Having looked at the Sine Rule I now look at the Cosine Rule which allows us to find missing sides and angles of non right-angled triangles where we have two sides and an included angles. There are lots of worked examples showing how to find missing sides and angles and some VCAA worked examples from past papers. All explained in an easy to understand way.
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vce maths vce further vce further maths further maths further units 3 and 4 further 3 and 4 the cosine rule what is the cosine rule using the cosine rule year 12 maths grade 12 maths two sides and included angle further modules geometry further maths measurement further maths